Gramercy Park is the name of both a small, fenced-in private park and the surrounding neighborhood that is referred to also as Gramercy, in the New York City borough of Manhattan in New York, United States.

Gramercy Park itself is located between East 20th Street (called Gramercy Park South), and East 21st Street (called Gramercy Park North), and between Gramercy Park West and Gramercy Park East, two mid-block streets which lie between Park Avenue South and Third Avenue. Irving Place commences at the southern end of Gramercy Park, running to 14th Street, and Lexington Avenue, a major north-south thoroughfare on the East Side of Manhattan, terminates at the northern end.

The neighborhood's boundaries are 14th Street to the south, Third Avenue to the east, 23rd Street to the north, and Park Avenue South to the west. Nearby are the Flatiron District to the west, Union Square to the southwest, the East Village to the south, Stuyvesant Town and Peter Cooper Village to the east, Rose Hill to the northwest, and Kips Bay to the northeast.

The neighborhood is mostly located within Manhattan Community District 6, with a small portion in Community District 5.